Add a build arg for the pkg to the nginx image

[refs !c2f282de0b87]

Author: jfahrer

nginx/Dockerfile

@@ -1,7 +1,10 @@
 FROM debian:buster-slim
 
+ARG NGINX_PKG_TYPE=full
+ENV NGINX_PKG=nginx-${NGINX_PKG_TYPE:-full}
+
 RUN apt-get update \
-      && apt-get install -y nginx \
+      && apt-get install -y $NGINX_PKG \
       && rm -rf /var/lib/apt/lists/* \
       && rm /var/log/nginx/access.log \
       && rm /var/log/nginx/error.log \

nginx/docker-compose.yml

@@ -0,0 +1,23 @@
+version: '3.3'
+
+services:
+  nginx-full:
+    image: jfahrer/nginx:stretch-full
+    build:
+      context: .
+      args:
+        - NGINX_PKG_TYPE=full
+
+  nginx-light:
+    image: jfahrer/nginx:stretch-light
+    build:
+      context: .
+      args:
+        - NGINX_PKG_TYPE=light
+
+  nginx-extras:
+    image: jfahrer/nginx:stretch-extras
+    build:
+      context: .
+      args:
+        - NGINX_PKG_TYPE=extras